共 5 条
[1]
RESISTIVITY MEASURING CIRCUIT USING CHOPPED DIRECT CURRENT
[J].
JOURNAL OF SCIENTIFIC INSTRUMENTS,
1965, 42 (06)
:432-&
[4]
FIVAZ R, 1963, HELV PHYS ACTA, V36, P1052
[5]
Van der Pauw L. J., 1958, PHILIPS RES REP, V12, P1